Tub



FIG. 1 is a top perspective view of the tub;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a front perspective view thereof.

The left side view is identical with the right side;

The front and rear views are identical with the right side.

Any broken line illustration is for illustrative purposes only and formsno part of the claimed design.

CLAIM The ornamental design for tub, as shown and described.